captioned by the caption center wgbh educational foundation annenberg media ♪ by: for information about this and other annenberg media programs call 1-800-learner and visit us at www.learner.org. tu palabra también es 'sipc'. ¿podría tenerla en otra oración, por favor? en el evento improbable de que su firma de corretaje cierre, sipc está ahí para protegerlo. s-i-p-k. ¿no conoce a sipc - securities investor protection corporation? no importa. se lo deletrearemos. visite nos www.sipc.org. >> we've all heard it said that life is like a game. most games, whether we work in teams or work alone, have well-defined rules, with clear benefits for winning and costs for losing. and that makes them something we can think about logically and mathematically. but what about life? can mathematics tell us anything about the competitions and collaborations that happen every day between individuals, groups, nations, even between animals or microbes? from the social sciences to biology, robotics and beyond, the answer is yes. welcome to game theory. [ overlapping conversation ] >> so, mr. blue, we